Apple yesterday took a trip back in time when it offered an update for OS X 10.6, aka Snow Leopard, an edition it last patched in September 2013.

The “Mac App Store Update for OS X Snow Leopard” — quite a mouthful, even for Apple’s naming conventions — was issued Wednesday so that 10.6 users could continue to access the Mac Apple Store, the apps available there, and most importantly, the upgrade to OS X 10.11, or El Capitan.

Included in the update was a renewed digital certificate required by the Mac app distribution warehouse. “The certificate ensures that you can continue to use the Mac App Store in Snow Leopard to purchase new apps and run any previously purchased apps that use receipt validation,” Apple wrote in a short support document.

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